l]benzene (L2), and 1,2,4,5-tetrakis[(4,5-diazafluoren-9-ylimino)methyl]benzene (L3), and their corresponding RuII polypyridyl complexes [Ru(bpy)2}4(4-L1-3)](PF6)8 (bpy = 2,2-bipyridine) were synthesized and characterized. The spectroscopic behavior of the three complexes was investigated by UV/Vis absorption and emission spectroscopy. They display metal-to-ligand charge transfer (MLCT) absorptions
三个四足
配体 1,2,4,5-tetrakis[4-(4,5-diazafluoren-9-ylimino)phenoxymethyl] 苯 (L1), 1,2,4,5-tetrakis[2-(4,5- diazafluoren-9-ylimino)phenoxymethyl]苯 (
L2) 和 1,2,4,5-tetrakis[(4,5-diazafluoren-9-ylimino)methyl] 苯 (L3),以及它们相应的 RuII 多
吡啶配合物 [合成并表征了 Ru(bpy)2}4(4-L1-3)](PF6)8 (bpy = 2,2-联
吡啶)。通过紫外/可见吸收和发射光谱研究了三种配合物的光谱行为。它们在室温下在 CH3CN 溶液中在大约 443 nm 处显示出
金属到
配体电荷转移 (MLCT) 吸收,在 77 K 下在 EtOH/MeOH (4:1, v/v)
玻璃状基质中在大约 575